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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '6e07a32ceacb6d95bef1a82a581f5fd0c037035a69963ca77243caf034cf0ee7' 
  AND token = 'tSw6Rrn3uMOEHSqDgp4WRabc1VgNL8iS1evu+H4GFoY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}